Boca had 68% of possession and seven shots on target to Libertad's one, in what was largely a lopsided contest at La Bombonera.
Italian qualifier Lorenzo Giustino claimed his first tour-level win in a more than six-hour marathon match against Corentin Moutet. It came close to breaking the 16-year-old record for the longest match at Roland Garros.
Thiago joined Liverpool from Bayern Munich earlier in September and although he made his debut against Chelsea eight days ago, he missed Monday night's 3-1 win at home to Arsenal.
Inter were three goals up in the 28th minute as Lukaku bagged his second after Roberto Gagliardini had smashed in a volley.
Beijing's Qi Yu stepped up by contributing a game-high 19 points, including seven in the opening period.
Mentioning the names of the brilliant BVB youngsters such as Erling Haaland, Jadon Sancho, Jude Bellingham, and Giovanni Reyna might delight every football lover.
Once again Lenglet began the move by picking out Coutinho and the Brazilian was able to advance to the edge of the Villarreal area before picking out the youngster, who calmly fired past Sergio Asenjo.
Evergrande had secured the top place of Group A before Sunday's match, while Dalian had dropped into the Final B.
Hoffenheim then grabbed the lead out of the blue with 16 minutes gone when Ermin Bicakcic headed home Dennis Geiger's corner kick to stun Hansi Flick's men.
Elsewhere, Guangzhou Evergrande sealed the 1-0 win by an own goal from Dalian Pro defender Shan Pengfei.
As few as only six days remain for the Bavarian's sports-director to satisfy Flick's demands to fill up the gaps and provide satisfying answers.